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codex-office/server/serve.mjs
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/**
* Minimal static server for the production build (dist/).
* Zero dependencies. SPA fallback to index.html.
* Binds 0.0.0.0 so the office is viewable from the LAN;
* the transcript watcher stays localhost-only.
*/
import { createServer } from "node:http";
import { promises as fs } from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";
const PORT = Number(process.env.PORT || 5182);
const ROOT = path.join(path.dirname(fileURLToPath(import.meta.url)), "..", "dist");
const MIME = {
".html": "text/html; charset=utf-8",
".js": "text/javascript",
".css": "text/css",
".svg": "image/svg+xml",
".png": "image/png",
".ico": "image/x-icon",
".json": "application/json",
".woff2": "font/woff2",
".map": "application/json",
};
const server = createServer(async (req, res) => {
try {
const urlPath = decodeURIComponent((req.url || "/").split("?")[0]);
let filePath = path.normalize(path.join(ROOT, urlPath));
if (!filePath.startsWith(ROOT)) {
res.writeHead(403);
res.end("forbidden");
return;
}
const stat = await fs.stat(filePath).catch(() => null);
if (!stat || stat.isDirectory()) {
filePath = path.join(ROOT, "index.html");
}
const ext = path.extname(filePath);
const data = await fs.readFile(filePath);
res.writeHead(200, {
"Content-Type": MIME[ext] || "application/octet-stream",
"Cache-Control": urlPath.startsWith("/assets/")
? "public, max-age=31536000, immutable"
: "no-cache",
});
res.end(data);
} catch {
res.writeHead(500);
res.end("server error");
}
});
server.listen(PORT, "0.0.0.0", () => {
console.log(`✳ Codex Office web http://localhost:${PORT} (serving dist/)`);
});